Dragon Fire High Performance Race Series Complete HEI Electronic Ignition Distributor Compatible Replacement For 1962-1974 Chevrolet Chevy Corvette with Mechanical Tachdrive 327 350 396 427 454 Oem F Manufacturer: AIP Electronics Model DRAGONFIRE 100% New Construction Simple onewire Hook up. Mechanical TachDrive hookup to run your stock tachometer. 65K volt coil adjustable vacuum canister bronze bushing corrosion resistant shaft heavy duty drive gear brass terminals precision advance weights.